CreaZyp!

Hello, Yes, the lithium batteries can be not rechargeable if the become entierely discharged, you can see here a chart of the batteries technology and their self discharge rate Comparison of commercial battery types - Wikipedia Hope that answered your question

Hello, the issue is probably due to bad connection of the data line for the screen data, so check that all the ribbon cable are well connected. Hope that helped !

Hello, Looking at what you said, it seems like the issue is entierely due to the sd card, so you might wanna try to clone your sd card to another one, if it does’nt works, can you provide us more details (3ds model, sd card capacity etc…) Hope that helped !

Hello, As I can see, the pads are ripped but not too badly, so make sure the pins makes a great contact with the pads; you can also try to add a little wire (without the plastic shield) if you cant make a contact. Also to make sure the pads makes a great contact, you can try to clean them with IPA (Isopropyl Alcohol) and a Q-tip. Hope you can fix it !

If the issue happens when unplugged, it’s most certainly due to the battery

You should find it here : alexa — Search - iFixit

Hello, PS4 controller are a mess to charge up as they need the right amperage (I think it’s 0.8amps but not sure) and also some cable don't works so try plugging in your console and/or try using different wall adapter and usb cables (preferably quality ones). If it still doesn't work, it might needs a repair (replacing the battery could works)

Hello, This might be due to the console not reading the game properly, so maybe cleaning the console’s cartridge connector would solve the issue. Hope that helped.

The screw extractor should extract any screws, so it’s worth trying

Hello, This might be due to corrosion on the connector, so plugging in and out the joycon a couple of time should remove the corrosion. Hope that helped.

Thank you ! My A button registered the click half the time : turns out it had corrosion, now it works like a charm !